X and Y are independent normal variables with X-N(100, 49) and Y-N(110, 576). (a) Find the mean
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X and Y are independent normal variables with X-N(100, 49) and Y-N(110, 576).
(a) Find the mean and the standard deviation of the distribution X + Y.
(b) Describe the distribution of X + Y.
(c) Find P(X+Y>200).
(d) Find P(180
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Related Book For 
A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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